Sony DVP-NS71HP Service Manual page 70

2-3. Each Self Check Function
Each Self Check function tests the FLD display, LED display, and key input.
Input
Voltage [V] PIN ef (AD1)
0 - 0.20 PLAY
0.60 - 0.82 -
1.16 - 1.47 PREVIOUS
1.80 - 2.12 NEXT
2.48 - 2.70 -
2-3-1. FLD and LED All ON
2-3-1-1. Transition Keys in Self Check Mode
• Z key and x key on the main unit
• T key on the remote commander
2-3-1-2. Operation and display
In this mode, all LEDs and all segments of FLD turn ON.
• Example of FLD all ON
2-3-2. Main Unit Key Name Display and Key Code Display
2-3-2-1. Transition Keys in Self Check Mode
• Keys on the main unit except keys transited in Self Check Mode
2-3-2-2. Operation and Display
When a key on the main unit is pressed in the Self Check mode, the name of that key code is displayed on the FLD. Also, code "NOTHING"
is displayed when nothing is entered. Also, DVD, VCD segments turn on when a communication error occurred.
IC404: Pin No. (Signal)
PIN eg (O/C) PIN eh (STOP)
OPEN/CLOSE STOP
- PROGRESSIVE
- -
- -
- -
PIN ej
POWER
-
-
-
-
6-5
DVP-NS71HP/NS75H/NS76H